/* 公共样式 - 通用 reset + 共享组件（所有功能页共用） */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f5fb;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    min-height: 100vh;
    background: #fff;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
}

.header {
    background: #fbfaff;
    color: #2d2438;
    padding: 26px 40px;
    text-align: center;
    border-bottom: 1px solid #ebe8f5;
}

.header h1 {
    font-size: 23px;
    font-weight: 600;
    margin-bottom: 6px;
    color: #2d2438;
}

.header p {
    font-size: 13.5px;
    color: #8b8694;
    opacity: 1;
}

.author {
    font-size: 13px;
    color: #9a96a6;
    opacity: 1;
    margin-top: 8px;
}

.back-link {
    display: inline-block;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.2s;
}

.back-link:hover {
    color: #fff;
    text-decoration: underline;
}

.content {
    max-width: 1040px;
    margin: 0 auto;
    padding: 20px 40px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #5b6ee0 0%, #7c4fd0 55%, #8d44c4 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(124, 79, 208, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.footer {
    text-align: center;
    padding: 20px;
    color: #999;
    font-size: 12px;
    background: #f8f9fa;
}